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China Split Bobbin Dual Cavity Transformer Bel Fuse DST-5-16 Signal ST DST Series for Electrical Isolation for sale

Split Bobbin Dual Cavity Transformer Bel Fuse DST-5-16 Signal ST DST Series for Electrical Isolation

Price Negotiable
Price: Negotiable
MOQ: Negotiable
Delivery Time: Negotiable
Product Description

Product Overview

The Signal ST / DST Series Split/Tran Specialty Purpose & Class 2 Transformers are designed for printed circuit board mounting, utilizing a split bobbin construction with dual cavities for superior isolation and low capacitive coupling. They feature rigid pin construction for enhanced board insertion and reliability. These transformers are suitable for a wide range of power applications from 1.1 VA to 36 VA and are available in single or dual primary configurations with various secondary voltage and current ratings. They meet stringent agency certifications including UL and CSA, and are RoHS compliant.

Product Attributes

  • Brand: Signal (Bel Fuse)
  • Series: ST / DST Split/Tran
  • Construction: Split Bobbin, Dual Cavity
  • Insulation System: Class F, 155 C
  • Certifications: UL 1446, UL Recognized 506 / UL 5085-1, 2, CSA certified to C22.2 #66.1, cCSAus certified to C22.2 #66.3 / UL 5085-3
  • Compliance: RoHS Compliant
  • Customization: Custom versions available upon request

Technical Specifications

Part Number Power (VA) Secondary RMS Rating (Series) Secondary RMS Rating (Parallel) Primary Voltage (V) Frequency (Hz) Dielectric Strength (Vrms Hipot) Pin Configuration Size (L x W x H) Inches (mm) Weight lbs (kg)
ST-2-10**# / DST-2-10**# 1.1 10 VCT @ 0.11 A 5 V @ 0.22 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-10*# / DST-3-10*# 2.4 10 VCT @ 0.25 A 5 V @ 0.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-10*# / DST-4-10*# 6 10 VCT @ 0.6 A 5 V @ 1.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-10*# / DST-5-10*# 12 10 VCT @ 1.2 A 5 V @ 2.4 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-10 / DST-6-10 20 10 VCT @ 2.0 A 5 V @ 4.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-10 / DST-7-10 36 10 VCT @ 3.6 A 5 V @ 7.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-12**# / DST-2-12**# 1.1 12.6 VCT @ 0.09 A 6.3 V @ 0.18 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-12*# / DST-3-12*# 2.4 12.6 VCT @ 0.2 A 6.3 V @ 0.4 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-12*# / DST-4-12*# 6 12.6 VCT @ 0.5 A 6.3 V @ 1.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-12*# / DST-5-12*# 12 12.6 VCT @ 1.0 A 6.3 V @ 2.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-12 / DST-6-12 20 12.6 VCT @ 1.6 A 6.3 V @ 3.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-12 / DST-7-12 36 12.6 VCT @ 2.85 A 6.3 V @ 5.7 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-16**# / DST-2-16**# 1.1 16 VCT @ 0.07 A 8 V @ 0.14 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-16*# / DST-3-16*# 2.4 16 VCT @ 0.15 A 8 V @ 0.3 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-16*# / DST-4-16*# 6 16 VCT @ 0.4 A 8 V @ 0.8 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-16*# / DST-5-16*# 12 16 VCT @ 0.8 A 8 V @ 1.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-16 / DST-6-16 20 16 VCT @ 1.25 A 8 V @ 2.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-16 / DST-7-16 36 16 VCT @ 2.25 A 8 V @ 4.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-20**# / DST-2-20**# 1.1 20 VCT @ 0.055 A 10 V @ 0.11 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-20*# / DST-3-20*# 2.4 20 VCT @ 0.12 A 10 V @ 0.24 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-20*# / DST-4-20*# 6 20 VCT @ 0.3 A 10 V @ 0.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-20*# / DST-5-20*# 12 20 VCT @ 0.6 A 10 V @ 1.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-20 / DST-6-20 20 20 VCT @ 1.0 A 10 V @ 2.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-20 / DST-7-20 36 20 VCT @ 1.8 A 10 V @ 3.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-24**# / DST-2-24**# 1.1 24 VCT @ 0.045 A 12 V @ 0.09 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-24*# / DST-3-24*# 2.4 24 VCT @ 0.1 A 12 V @ 0.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-24*# / DST-4-24*# 6 24 VCT @ 0.25 A 12 V @ 0.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-24*# / DST-5-24*# 12 24 VCT @ 0.5 A 12 V @ 1.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-24 / DST-6-24 20 24 VCT @ 0.8 A 12 V @ 1.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-24 / DST-7-24 36 24 VCT @ 1.5 A 12 V @ 3.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-28 / DST-2-28 1.1 28 VCT @ 0.04 A 14 V @ 0.08 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-28 / DST-3-28 2.4 28 VCT @ 0.085 A 14 V @ 0.17 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-28 / DST-4-28 6 28 VCT @ 0.2 A 14 V @ 0.4 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-28 / DST-5-28 12 28 VCT @ 0.42 A 14 V @ 0.84 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-28 / DST-6-28 20 28 VCT @ 0.7 A 14 V @ 1.4 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-28 / DST-7-28 36 28 VCT @ 1.3 A 14 V @ 2.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-36 / DST-2-36 1.1 36 VCT @ 0.03 A 18 V @ 0.06 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-36 / DST-3-36 2.4 36 VCT @ 0.065 A 18 V @ 0.13 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-36 / DST-4-36 6 36 VCT @ 0.17 A 18 V @ 0.34 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-36 / DST-5-36 12 36 VCT @ 0.35 A 18 V @ 0.7 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-36 / DST-6-36 20 36 VCT @ 0.55 A 18 V @ 1.1 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-36 / DST-7-36 36 36 VCT @ 1.0 A 18 V @ 2.0 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-48 / DST-2-48 1.1 48 VCT @ 0.023 A 24 V @ 0.046 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-48 / DST-3-48 2.4 48 VCT @ 0.05 A 24 V @ 0.1 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-48 / DST-4-48 6 48 VCT @ 0.125 A 24 V @ 0.25 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-48 / DST-5-48 12 48 VCT @ 0.25 A 24 V @ 0.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-48 / DST-6-48 20 48 VCT @ 0.4 A 24 V @ 0.8 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-48 / DST-7-48 36 48 VCT @ 0.75 A 24 V @ 1.5 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-56 / DST-2-56 1.1 56 VCT @ 0.02 A 28 V @ 0.04 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-56 / DST-3-56 2.4 56 VCT @ 0.045 A 28 V @ 0.09 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-56 / DST-4-56 6 56 VCT @ 0.11 A 28 V @ 0.22 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-56 / DST-5-56 12 56 VCT @ 0.22 A 28 V @ 0.44 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-56 / DST-6-56 20 56 VCT @ 0.35 A 28 V @ 0.7 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-56 / DST-7-56 36 56 VCT @ 0.65 A 28 V @ 1.3 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)
ST-2-120 / DST-2-120 1.1 120 VCT @ 0.01 A 60 V @ 0.02 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 0.97 (34.9 x 28.6 x 24.6) 0.17 (0.08)
ST-3-120 / DST-3-120 2.4 120 VCT @ 0.02 A 60 V @ 0.04 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.37 x 1.12 x 1.21 (34.9 x 28.6 x 30.8) 0.25 (0.11)
ST-4-120 / DST-4-120 6 120 VCT @ 0.05 A 60 V @ 0.1 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.62 x 1.31 x 1.31 (41.3 x 33.3 x 33.3) 0.44 (0.20)
ST-5-120 / DST-5-120 12 120 VCT @ 0.1 A 60 V @ 0.2 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 1.91 x 1.59 x 1.45 (48.4 x 40.4 x 36.9) 0.70 (0.32)
ST-6-120 / DST-6-120 20 120 VCT @ 0.16 A 60 V @ 0.32 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.25 x 1.88 x 1.45 (57.2 x 47.8 x 36.9) 0.80 (0.36)
ST-7-120 / DST-7-120 36 120 VCT @ 0.3 A 60 V @ 0.6 A 115 V / 115/230 V 50/60 2500 6 Pin (ST) / 8 Pin (DST) 2.62 x 2.18 x 1.59 (66.7 x 55.5 x 40.4) 1.1 (0.50)

Note: Specific fuse recommendations are available in a separate table within the datasheet.

Mounting Hardware: Available from Signal, part numbers ST-MS (screw) and ST-MN (nut). Size 7 has 4 mounting holes on 2.18 x 1.75 centers for #6 screws.


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Company Changsha Purple Horn E-Commerce Co., Ltd.
Location 2332 Kaibin Commercial Plaza, No. 419 Shaoshan Middle Road, Shazitang Street, Yuhua District, Changsha City, Hunan Province
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